Electronic readers, or e-books, use special screens that provide a paper-like reading experience. In 2006, Sony leveraged the high contrast and crisp readability of such a screen as it unveiled the Sony Reader.
It was joined the following year by the Amazon Kindle, which added a wireless way to buy books from nearly anywhere. But even in light of Amazon's recent price cut of its Kindle to $299, e-readers are still pricey, and their screens aren't well-suited to displaying photos or video.
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